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sched: Reduce forkexec_idx

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If we're looking to place a new task, we might as well find the
idlest position _now_, not 1 tick ago.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2009-09-15 15:22:03 +02:00 committed by Ingo Molnar
parent 0ec9fab3d1
commit b8a543ea5a
5 changed files with 7 additions and 9 deletions
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4
arch/ia64/include/asm/topology.h
View file

@ -63,7 +63,7 @@ void build_cpu_to_node_map(void);
.idle_idx = 1, \
.newidle_idx = 0, \
.wake_idx = 0, \
.forkexec_idx = 1, \
.forkexec_idx = 0, \
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_NEWIDLE \
| SD_BALANCE_EXEC \
@ -89,7 +89,7 @@ void build_cpu_to_node_map(void);
.idle_idx = 2, \
.newidle_idx = 0, \
.wake_idx = 0, \
.forkexec_idx = 1, \
.forkexec_idx = 0, \
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_NEWIDLE \
| SD_BALANCE_EXEC \

2
arch/sh/include/asm/topology.h
View file

@ -17,7 +17,7 @@
.idle_idx = 2, \
.newidle_idx = 0, \
.wake_idx = 0, \
.forkexec_idx = 1, \
.forkexec_idx = 0, \
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_FORK \
| SD_BALANCE_EXEC \

2
arch/sparc/include/asm/topology_64.h
View file

@ -53,7 +53,7 @@ static inline int pcibus_to_node(struct pci_bus *pbus)
.idle_idx = 2, \
.newidle_idx = 0, \
.wake_idx = 0, \
.forkexec_idx = 1, \
.forkexec_idx = 0, \
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_FORK \
| SD_BALANCE_EXEC \

4
arch/x86/include/asm/topology.h
View file

@ -116,13 +116,11 @@ extern unsigned long node_remap_size[];
# define SD_CACHE_NICE_TRIES 1
# define SD_IDLE_IDX 1
# define SD_FORKEXEC_IDX 0
#else
# define SD_CACHE_NICE_TRIES 2
# define SD_IDLE_IDX 2
# define SD_FORKEXEC_IDX 1
#endif
@ -137,7 +135,7 @@ extern unsigned long node_remap_size[];
.idle_idx = SD_IDLE_IDX, \
.newidle_idx = 0, \
.wake_idx = 0, \
.forkexec_idx = SD_FORKEXEC_IDX, \
.forkexec_idx = 0, \
\
.flags = 1*SD_LOAD_BALANCE \
| 1*SD_BALANCE_NEWIDLE \

4
include/linux/topology.h
View file

@ -121,7 +121,7 @@ int arch_update_cpu_topology(void);
.cache_nice_tries = 1, \
.busy_idx = 2, \
.wake_idx = 0, \
.forkexec_idx = 1, \
.forkexec_idx = 0, \
\
.flags = 1*SD_LOAD_BALANCE \
| 1*SD_BALANCE_NEWIDLE \
@ -153,7 +153,7 @@ int arch_update_cpu_topology(void);
.idle_idx = 1, \
.newidle_idx = 0, \
.wake_idx = 0, \
.forkexec_idx = 1, \
.forkexec_idx = 0, \
\
.flags = 1*SD_LOAD_BALANCE \
| 1*SD_BALANCE_NEWIDLE \